CN114973935B - Image display device - Google Patents
Image display device Download PDFInfo
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- CN114973935B CN114973935B CN202110201890.2A CN202110201890A CN114973935B CN 114973935 B CN114973935 B CN 114973935B CN 202110201890 A CN202110201890 A CN 202110201890A CN 114973935 B CN114973935 B CN 114973935B
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- 238000003384 imaging method Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 30
- 230000000694 effects Effects 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 16
- 230000007246 mechanism Effects 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 239000012788 optical film Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/18—Image warping, e.g. rearranging pixels individually
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0232—Special driving of display border areas
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2354/00—Aspects of interface with display user
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0021—Side-by-side or stacked arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides an image display device, which comprises a planar display panel and a light transmission unit. The flat display panel is used for displaying a flat image. The flat display panel is provided with at least a first pixel group, a second pixel group and a third pixel group, wherein the second pixel group is positioned between the first pixel group and the third pixel group. The light transmitting unit is arranged in front of the planar display panel. When the line of sight is seen to the flat display panel through the light transmitting unit, the line of sight is seen to have a second distance between the second imaging position corresponding to the second pixel group and the flat display panel greater than a first distance between the first imaging position and the third imaging position corresponding to the first pixel group and the third pixel group in the flat image and a third distance between the third imaging position and the flat display panel.
Description
Technical Field
The present invention relates to an image display device, and more particularly, to an image display device capable of providing curved images with a flat display panel.
Background
Conventional image display devices are generally classified into flat panel displays and curved panel displays. The volume of the flat panel display is smaller, but the visual experience of the displayed flat image is poorer; the curved image displayed by the curved display can provide better surrounding viewing experience, but has the defects of huge volume and high material cost. Therefore, it is an important development goal of the related display industry to design an image display device that can provide a curved display effect without requiring a special optical film to achieve the characteristics of reduced volume and cost.
Disclosure of Invention
The present invention provides an image display device capable of providing curved image with a flat display panel to solve the above-mentioned problems.
The invention discloses an image display device, which comprises a planar display panel and a light transmission unit. The flat display panel is used for displaying a flat image and at least comprises a first pixel group, a second pixel group and a third pixel group, wherein the second pixel group is positioned between the first pixel group and the third pixel group. The light transmission unit is arranged in front of the planar display panel, and when the sight line passes through the light transmission unit and looks at the planar display panel, the sight line can see that the second distance between the second imaging position corresponding to the second pixel group in the planar image and the planar display panel is larger than the first distance between the first imaging position corresponding to the first pixel group and the third imaging position corresponding to the third pixel group in the planar image and the third distance between the third imaging position corresponding to the first pixel group and the third pixel group and the planar display panel.
Preferably, the density of the second pixel group is greater than the densities of the first pixel group and the third pixel group, and the light transmitting unit has the same focal length corresponding to the three blocks of the first pixel group, the second pixel group and the third pixel group.
Preferably, the light transmitting unit is an optical lens module and comprises a plurality of lens units, wherein the lens units are at least divided into a first lens group, a second lens group and a third lens group, which are respectively aligned to the first pixel group, the second pixel group and the third pixel group, and the focal length of the second lens group is different from that of the first lens group and the third lens group.
Preferably, the first lens group is a plurality of variable-focus lens units.
Preferably, the light-transmitting unit is a plano-concave lens or a convex-concave lens, and the plane or convex surface of the light-transmitting unit faces the plane display panel.
Preferably, the display device further comprises a curved display panel and an operation processor. The curved surface display panel is arranged beside the plane display panel and is used for displaying curved surface images. The operation processor is electrically connected with the curved surface display panel and the plane display panel, and the operation processor distorts the plane image according to the specifications of the plane display panel and the curved surface display panel, and when the sight line looks at the curved surface display panel and the plane display panel, the sight line can see the combination of the curved surface image and the plane image to display the curved surface display effect.
Preferably, the operation processor divides the original image into a first area and a second area, the first area is used as the curved image to be directly displayed on the curved display panel, and the second area is displayed on the planar display panel after being distorted and adjusted.
Preferably, the operation processor sequentially divides the second region of the original image into a first partition, a second partition and a third partition along a specific direction, and the first partition, the second partition and the third partition have the first imaging position, the second imaging position and the third imaging position respectively.
Preferably, the operation processor defines a plurality of image data rows in the planar image, and divides any one of the plurality of image data rows into at least three partitions for performing the distortion adjustment.
Preferably, the method further comprises:
the tracking sensor is electrically connected with the operation processor and is used for tracking the relative position of the sight line in front of the image display device, and the operation processor is used for adaptively adjusting the first imaging position, the second imaging position and/or the third imaging position of the planar image according to the relative position.
Preferably, the curved display panel is rotatably or detachably connected to the flat display panel.
Preferably, the image display device further comprises another curved display panel, and the two curved display panels are respectively arranged at two opposite sides of the planar display panel.
Preferably, the display device further comprises a first display panel and a second display panel. The first display panel is arranged on one side of the planar display panel. The second display panel is arranged on the other side of the planar display panel relative to the first display panel. When the sight line is seen to the first display panel and the second display panel, and the sight line is seen to the plane display panel through the light transmission unit, the distance between the imaging positions presented by the sight line and the plane display panel relative to the image display device is larger than the two distances between the two imaging positions presented by the first display panel and the second display panel relative to the image display device.
Preferably, the first display panel and the second display panel are respectively curved displays.
Preferably, the difference between the width of the light transmitting unit and the width of the flat display panel is smaller than a preset allowable value, and the first display panel and the second display panel are respectively adjacent to two opposite sides of the light transmitting unit.
Preferably, the first display panel and the second display panel are rotatably or detachably connected to the light-transmitting unit.
Preferably, the image display device further comprises two auxiliary lens units respectively arranged in front of the first display panel and the second display panel, wherein the optical characteristics of the two auxiliary lens units are different from the optical characteristics of the light transmitting unit.
Preferably, the two auxiliary lens units are respectively adjacent to two opposite sides of the light-transmitting unit.
Preferably, the first display panel and the second display panel are rotatably or detachably connected to the flat display panel.
Preferably, the two auxiliary lens units are respectively plano-concave lenses or convex-concave lenses, and the planes or convex surfaces of the two auxiliary lens units face the first display panel and the second display panel respectively.
Preferably, the two auxiliary lens units and the light transmission unit are integrally formed.
Compared with the prior art, the image display device of the invention can provide curved display effect by utilizing the flat panel display, and has the advantages of simple structure and low cost. The flat display panel is provided with at least a first pixel group, a second pixel group and a third pixel group, wherein the second pixel group is positioned between the first pixel group and the third pixel group. The light transmission unit is arranged in front of the planar display panel, and when the sight line passes through the light transmission unit and looks at the planar display panel, the sight line can see that the second distance between the second imaging position corresponding to the second pixel group in the planar image and the planar display panel is larger than the first distance between the first imaging position corresponding to the first pixel group and the third imaging position corresponding to the third pixel group in the planar image and the third distance between the third imaging position corresponding to the first pixel group and the third pixel group and the planar display panel. Therefore, the image display device can provide a curved surface display effect without a special optical film, and has the characteristics of reduced volume and reduced cost.
Drawings
FIG. 1 is a schematic diagram illustrating an image display device according to an embodiment of the present invention.
FIG. 2 is an assembly diagram of an image display device according to an embodiment of the invention.
FIG. 3 is an exploded view of a part of the image display device according to the first embodiment of the present invention.
FIG. 4 is an exploded view of a part of the image display device according to a second embodiment of the present invention.
Fig. 5 is a schematic view of an image display device according to a second embodiment of the invention at another viewing angle.
FIG. 6 is a schematic diagram of an image display device according to a third embodiment of the present invention.
FIG. 7 is a diagram of an original image taken by an image display device according to a third embodiment of the present invention.
FIG. 8 is a schematic diagram of another variation of the image display device according to the third embodiment of the present invention.
FIG. 9 is a diagram of an image display device according to a fourth embodiment of the present invention.
FIG. 10 is a schematic diagram of an image display device according to a fourth embodiment of the invention in other variations.
FIG. 11 is a schematic diagram of an image display device according to a fifth embodiment of the present invention.
Detailed Description
For a further understanding of the objects, construction, features and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic operation diagram of an image display device 10 according to an embodiment of the present invention, fig. 2 is a block diagram of the image display device 10 according to an embodiment of the present invention, and fig. 3 is an exploded view of a part of elements of an image display device 10A according to a first embodiment of the present invention. The image display device 10A may include a flat display panel 12, a light-transmitting unit 14, and an arithmetic processor 16. The flat display panel 12 may have various optical films such as glass substrates, polarizers, filters, diffusion sheets, and other electronic components such as printed circuit boards, backlight sources, and the like; the type, number and arrangement of the optical films and the electronic components are determined by the design requirements of the flat display panel 12, and are not described herein. The arithmetic processor 16 analyzes the data of the original image and displays the plane image Ip on the plane display panel 12. The light transmitting unit 14 is disposed at the front end of the flat display panel 12; in other words, the image display device 10A uses the front frame 18 to position the flat display panel 12 and the light-transmitting unit 14 on the base 20. It should be noted that, in the present embodiment, the function of the operation processor 16 may be integrated into the flat panel display, which is used for analyzing the original image, and the operation processor 16 may be omitted.
The flat display panel 12 may be divided into a plurality of pixel groups along the left and right directions, for example, the flat display panel may have at least a first pixel group PxG, a second pixel group PxG and a third pixel group PxG3, and the second pixel group PxG2 may be located between the first pixel group PxG and the third pixel group PxG. The optical characteristics of the light transmitting unit 14 will vary according to the different embodiments of the flat display panel 12. In the first embodiment of the present invention, the light-transmitting unit 14 allows light to pass through, and does not provide the optical characteristics of diverging or converging light, so the distribution density of the second pixel group PxG2 can be greater than the distribution density of the first pixel group PxG and the distribution density of the third pixel group PxG; at this time, the light-transmitting unit 14 has the same focal length corresponding to the three corresponding blocks of the first pixel group PxG1, the second pixel group PxG and the third pixel group PxG.
In the first embodiment, the light-transmitting unit 14 may be a light-transmitting planar glass providing protection against water and dust, or an optical element having the same or similar function, and other possible variations will not be described in detail herein. Generally, the pixel distribution density of the middle area (the second pixel group PxG 2) of the flat display panel 12 is the highest, and then the pixel distribution density thereof is gradually decreased toward the two side areas (the first pixel group PxG and the third pixel group PxG 3) of the flat display panel 12. In this way, although the flat display panel 12 is used for displaying the flat image Ip, when the line of sight V is seen through the light-transmitting unit 14 to the flat display panel 12, the line of sight V can see that the second distance D2 of the second imaging position P2 corresponding to the second pixel group PxG in the flat image Ip relative to the flat display panel 12 is greater than the first distance D1 and the third distance D3 of the first imaging position P1 and the third imaging position P3 corresponding to the first pixel group PxG and the third pixel group PxG in the flat image Ip relative to the flat display panel 12, that is, the flat display panel 12 of the image display device 10A can present a curved display effect. It should be noted that the first imaging position, the second imaging position, and the third imaging position are located on the same side of the flat display panel 12 as the light transmitting unit 14, and are located on different sides of the flat display panel 12 than the light transmitting unit 14, that is, the light transmitting unit 14 is located on one side of the display panel, and the first imaging position, the second imaging position, and the third imaging position are located on the other side of the display panel.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, fig. 4 is an exploded view of a part of elements of an image display device 10B according to a second embodiment of the present invention, and fig. 5 is a schematic view of the image display device 10B according to the second embodiment of the present invention at another viewing angle. The image display device 10B may include a flat display panel 12, a light-transmitting unit 14', and an arithmetic processor 16. In the embodiments of the present invention, elements having the same numbers as those of the previous embodiments have the same structure and function, and thus, description thereof will not be repeated. The light-transmitting unit 14' of the second embodiment may be an optical lens module, which includes a plurality of lens units 22, and may be divided into a plurality of lens groups along the left-right direction, for example, at least a first lens group LzG, a second lens group LzG and a third lens group LzG3, which are aligned with the first pixel group PxG1, the second pixel group PxG and the third pixel group PxG, respectively.
In the second embodiment, the distribution density of the second pixel group PxG can be the same as the distribution density of the first pixel group PxG and the distribution density of the third pixel group PxG, and the focal length of the second lens group LzG2 is larger than the focal length of the first lens group LzG1 and the focal length of the third lens group LzG. In this way, the second distance D2 between the second imaging position P2 of the planar image Ip and the planar display panel 12 viewed by the line of sight V through the second lens group LzG can be greater than the first distance D1 between the first imaging position P1 of the planar image Ip and the third distance D3 between the first imaging position P3 of the planar image Ip and the planar display panel 12 viewed by the line of sight V through the first lens group LzG and the third lens group LzG3, so that the planar display panel 12 of the image display device 10B can exhibit a curved display effect.
If the lens unit 22 has more than three lens groups, the lens group at the center of the light-transmitting unit 14' preferably has the longest focal length, and the imaging position thereof may be located at the farthest position; while the focal length of the lens groups from the center of the light-transmitting unit 14' to the two sides gradually shortens to make the imaging position gradually approach the flat display panel 12, the application is not limited thereto, for example, in other possible variations of the second embodiment, the first lens group LzG1, the second lens group LzG and the third lens group LzG may be a plurality of variable focal length lens units 22; the operation processor 16 can adjust the focal length of the light transmitting unit 14' in different lens groups according to the requirement, so as to adjust the deformation amplitude and/or the deformation direction of the curved surface display effect. Furthermore, each lens unit 22 of the light-transmitting unit 14 'may be a plano-concave lens or a convex-concave lens, and the plane or convex surface of the light-transmitting unit 14' faces the flat display panel 12. All of the lens units 22 of the light-transmitting unit 14' are preferably of the same form, so that the lens units 22 shown in fig. 5 are plano-concave lenses; however, the plano-concave lens may be replaced by a convex-concave lens, which is not drawn separately.
Referring to fig. 1, fig. 2, fig. 6 and fig. 7, fig. 6 is a schematic diagram of an image display device 10C according to a third embodiment of the invention, and fig. 7 is a schematic diagram of an original image Io taken by the image display device 10C according to the third embodiment of the invention. The image display device 10C may include a flat display panel 12, a light-transmitting unit 14, an operation processor 16, and a curved display panel 24. The housing of the flat display panel 12 can be used to cover the light-transmitting unit 14 and the operation processor 16, so the image display device 10C of fig. 6 and 7 is not shown, but the practical application is not limited thereto. The curved display panel 24 may be disposed beside the flat display panel 12 in a substantially contact manner or a non-contact manner for displaying the curved image Ic. The operation processor 16 can be electrically connected to the flat display panel 12 and the curved display panel 24 to obtain the specification parameters. The operation processor 16 can distort the plane image Ip displayed on the plane display panel 12 according to the specification of the curved display panel 24; when the line of sight V is simultaneously directed to the curved display panel 24 and the flat display panel 12, the curved image Ic and the flat image Ip are combined to display the curved display effect as a whole.
Further, the operation processor 16 may first obtain an original image Io, and then divide the original image Io into a first region R1 and a second region R2 according to the specifications of the curved display panel 24 and the flat display panel 12. The first region R1 is directly displayed on the curved display panel 24 as the curved image Ic, and the second region R2 is displayed on the flat display panel 12 after being distorted and adjusted. For example, if the curved display panel 24 is a thirty-two inch curved display, the flat display panel 12 is a twenty-two inch flat display, the curved display panel 24 is similar to the flat display panel 12 in height, but the curved display panel 24 has a width twice that of the flat display panel 12, the computing processor 16 can divide the two-third range of the original image Io into a first region R1 along the left-right directions, and the remaining one-third range is used as a second region R2; however, practical application is not limited thereto.
In the third embodiment, the operation processor 16 may further divide the second region R2 of the original image Io into a plurality of partitions sequentially along a specific direction (e.g. towards the left and right sides), and twist and adjust the image data of each partition with different deformation amounts, e.g. the deformation amount of the middle partition is the largest, and then the deformation amount of the side partition gradually decreases towards the outside; the deformation of each partition corresponds to the change of the image curvature of the curved image Ic, so that the curved display effect of the plane image Ip after being adjusted can be properly connected with the curved image Ic. The deformation generally refers to lateral deformation of each partition picture, but the practical application depends on the design requirement. For example, the second region R2 may be divided into at least a first partition S1, a second partition S2, and a third partition S3. The deformation of the second region R2 is maximum, and the deformation of the first partition S1 and the third partition S3 is smaller; thus, the line of sight V has a longer second distance D2 from the second imaging position P2 generated by the second section S2, and shorter first and third distances D1 and D3 from the first and third imaging positions P1 and P3 generated by the first and third sections S1 and S3 (refer to fig. 1).
Referring to fig. 7, the second region R2 of the original image Io is divided into a plurality of partitions along the transverse direction, but in other possible variations of the third embodiment, a plurality of image data rows row_1 to n may be defined along the longitudinal direction before the second region R2 (i.e. corresponding to the range of the planar image Ip), and then any one of the plurality of image data rows row_1 to n is divided into a plurality of partitions along the transverse direction. The number of partitions and the corresponding deformation of each image data row may be the same or slightly different according to specific factors, so that the curved surface display effect of the plane image Ip after being adjusted can be more accurately connected with the curved surface image Ic. For example, the image display device 10C may further include a tracking sensor 26 electrically connected to the operation processor 16 and facing the front of the image display device 10C for tracking the relative position of the user U in front of the image display device 10C. The tracking sensor 26 may be a thermal sensor or an image sensor, or other sensor having similar functions. The computing processor 16 can adaptively adjust the first imaging position P1, the second imaging position P2 and the third imaging position P3 according to the relative position of the user U, for example, the second imaging position P2 is larger than the third imaging position P3, and the third imaging position P3 is larger than the first imaging position P1, so as to provide a better curved surface display effect.
In the third embodiment, the curved display panel 24 can be rotatably or detachably connected to the flat display panel 12. The rotatable application mechanism may be a rotation shaft mechanism, a latch mechanism, a movable engagement mechanism; the detachable application mechanism may be a locking mechanism, a snap-in mechanism, or a magnetically attractable mechanism. Variations of these application mechanisms are not limited to the previously disclosed embodiments, and may be determined by design requirements.
Referring to fig. 8, fig. 8 is a schematic diagram of another variation of an image display apparatus 10C according to a third embodiment of the invention. The image display device 10C may include a single flat display panel 12 and two curved display panels 24, wherein the two curved display panels 24 are disposed on opposite sides of the flat display panel 12. The original image Io may be divided into three regions, and the left and right regions thereof are directly displayed on the curved display panel 24 as the curved image Ic; the middle area is decomposed into a plurality of partitions by the operation processor 16, and each partition gives different deformation according to the specification parameters of the curved display panel 24, so that the middle area (i.e. the range corresponding to the plane image Ip) of the original image Io can be properly connected with the curved image Ic on both sides through distortion adjustment.
Referring to fig. 9 and 10, fig. 9 is a schematic diagram of an image display device 10D according to a fourth embodiment of the invention, and fig. 10 is a schematic diagram of an image display device 10D according to a fourth embodiment of the invention in other variations. The image display device 10D is provided with a first display panel 28 and a second display panel 30 on the left and right sides of the flat display panel 12. The flat display panel 12 may be a flat display, and the first display panel 28 and the second display panel 30 are preferably curved displays, but the practical application is not limited thereto; the first display panel 28 and the second display panel 30 may also be flat panel displays. In the fourth embodiment, the light transmitting unit 14 placed in front of the flat display panel 12 may be a plano-concave lens or a convex-concave lens, and the plane or convex surface of the light transmitting unit 14 faces the flat display panel 12.
When the line of sight V is directly directed to the first display panel 28 and the second display panel 30, and is directed to the flat display panel 12 through the light-transmitting unit 14, it is seen that the distance between the imaging position presented by the flat display panel 12 and the front end (e.g. the outer edge of the front frame 18) of the image display device 10D is greater than the distance between the imaging position presented by the first display panel 28 and the second display panel 30 and the front end of the image display device 10D, i.e. the image display device 10D will present an overall curved display effect.
In the fourth embodiment, the light-transmitting unit 14 (plano-concave lens or convex-concave lens) is utilized to twist and adjust the plane image Ip of the plane display panel 12 in a hardware compensation manner to present a curved display effect, so that the operation processor 16 can be not utilized to analyze and adjust the area and the partition of the original image Io in a software correction manner; however, the present invention can also apply the hardware compensation and software correction techniques simultaneously, so that the flat panel display can exhibit the best curved display effect by matching with a plurality of curved displays.
In the fourth embodiment, the difference between the width of the light transmitting unit 14 and the width of the flat display panel 12 is smaller than a predetermined tolerance, that is, the width of the light transmitting unit 14 and the width of the flat display panel 12 are similar. The actual digital end of the preset tolerance depends on the overall size of the image display device 10D, and will not be described further herein. As shown in fig. 9, the first display panel 28 and the second display panel 30 may be rotatably or detachably connected to opposite sides of the flat display panel 12; the first display panel 28 and the second display panel 30 of this embodiment can slightly move forward relative to the flat display panel 12 to laterally align the light transmitting units 14, so that the overall curved display effect does not have a step difference phenomenon.
In addition, as shown in fig. 10, the first display panel 28 and the second display panel 30 may be adjacent to two opposite sides of the light-transmitting unit 14, for example, rotatably or detachably connected to two opposite sides of the light-transmitting unit 14. The variation of fig. 10 can effectively avoid the step difference phenomenon generated by the overall curved surface display effect. The rotatable or removable mechanism 32 of the two embodiments may be a spindle mechanism, a latch mechanism or a movable engagement mechanism, or a locking mechanism, a snap-in mechanism or a magnetic mechanism, depending on the design requirements.
Referring to fig. 11, fig. 11 is a schematic diagram of an image display apparatus 10E according to a fifth embodiment of the invention. The image display device 10E may have a first display panel 28 'and a second display panel 30' disposed at two sides of the flat display panel 12. The image display device 10E may include a light-transmitting unit 14 and two auxiliary lens units 34. Two auxiliary lens units 34 are disposed in front of the first display panel 28 'and the second display panel 30', respectively, and are adjacent to opposite sides of the light-transmitting unit 14, respectively. The auxiliary lens units 34 may be plano-concave or convex lenses, and the plane or convex surface of each auxiliary lens unit 34 faces the corresponding first display panel 28 'or second display panel 30', respectively. The auxiliary lens unit 34 may be integrally formed with the light transmission unit 14; it is also possible to use separate elements with respect to the light-transmitting unit 14, and to use adhesive or snap or abutting means for fixing adjacent to each other.
As shown in fig. 11, the flat display panel 12, the first display panel 28 'and the second display panel 30' are all flat displays, and at this time, the optical characteristics of the auxiliary lens unit 34 are different from those of the light-transmitting unit 14, so that when the line of sight V is caused to see through the light-transmitting unit 14 to the flat display panel 12 and through the auxiliary lens unit 34 to see through the first display panel 28 'and the second display panel 30', the distance between the imaging positions presented by the flat display panel 12 and the front end of the image display device 10E is greater than the distance between the two imaging positions presented by the first display panel 28 'and the second display panel 30' and the front end of the image display device 10E, i.e. the image display device 10E presents an overall curved display effect; in other words, the focal length of the light transmitting unit 14 may be greater than that of the auxiliary lens unit 34.
Alternatively, if the first display panel 28 'and the second display panel 30' are curved displays, the auxiliary lens unit 34 may still be disposed in front of the curved displays, which is not shown in the drawings. As long as the focal length of the auxiliary lens unit 34 is smaller than that of the light-transmitting unit 14, the viewing line V can be seen to the flat display panel 12 and the first display panel 28 'and the second display panel 30' respectively through the light-transmitting unit 14 and the auxiliary lens unit 34 to show the overall curved display effect, which is consistent with the design purpose of the present invention.
In summary, the image display device of the present invention can provide curved display effect for the flat panel display by using various ways, and has the advantages of simple structure and low cost. The first embodiment uses a specially designed flat display panel to divide the flat display panel into a plurality of pixel groups along a specific direction, and each pixel group may have a different pixel distribution density. The flat display panel of the second embodiment has uniform pixel distribution density, but the specially designed optical lens module is placed in front of the flat display panel, the central lens groups of the lens units of the optical lens module have long focal lengths, and the focal lengths of the lens groups at two sides of the lens units are sequentially decreased. The third embodiment uses software correction technology to calibrate each partition of the plane image with different deformation, the fourth embodiment additionally arranges a single plano-concave lens or convex-concave lens in front of the plane display, and the fifth embodiment can arrange plano-concave lens or convex-concave lens in front of the plane display and/or curved display respectively.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. An image display device, comprising:
the display device comprises a planar display panel, a first display unit and a second display unit, wherein the planar display panel is used for displaying a planar image and at least comprises a first pixel group, a second pixel group and a third pixel group, and the second pixel group is positioned between the first pixel group and the third pixel group;
the light transmission unit is arranged in front of the planar display panel, and when the sight line passes through the light transmission unit and looks at the planar display panel, the sight line can see that the second distance between the second imaging position corresponding to the second pixel group in the planar image and the planar display panel is larger than the first distance between the first imaging position corresponding to the first pixel group and the third imaging position corresponding to the third pixel group in the planar image and the third distance between the third imaging position corresponding to the first pixel group and the third pixel group and the planar display panel;
the curved surface display panel is arranged beside the plane display panel and is used for displaying curved surface images; and
the operation processor is electrically connected with the curved surface display panel and the plane display panel, and the operation processor distorts the plane image according to the specifications of the plane display panel and the curved surface display panel, and when the sight line looks at the curved surface display panel and the plane display panel, the sight line can see the combination of the curved surface image and the plane image to display the curved surface display effect.
2. The image display device according to claim 1, wherein the operation processor divides the original image into a first area and a second area, the first area is used as the curved image to be directly displayed on the curved display panel, and the second area is distorted and adjusted to be displayed on the flat display panel.
3. The image display device according to claim 2, wherein the operation processor sequentially divides the second region of the original image into a first partition, a second partition and a third partition along a specific direction, and the first, second and third partitions have the first, second and third imaging positions, respectively.
4. The image display device according to claim 3, wherein the operation processor defines a plurality of image data lines in the planar image and divides any one of the plurality of image data lines into at least three partitions for performing the distortion adjustment.
5. The image display device of claim 1, further comprising:
the tracking sensor is electrically connected with the operation processor and is used for tracking the relative position of the sight line in front of the image display device, and the operation processor is used for adaptively adjusting the first imaging position, the second imaging position and/or the third imaging position of the planar image according to the relative position.
6. The image display device according to claim 1, wherein the curved display panel is rotatably or detachably connected to the flat display panel.
7. The image display device according to claim 1, further comprising another curved display panel, wherein the two curved display panels are disposed on opposite sides of the flat display panel.
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| CN202110201890.2A CN114973935B (en) | 2021-02-23 | 2021-02-23 | Image display device |
| US17/571,569 US20220269467A1 (en) | 2021-02-23 | 2022-01-10 | Image displaying device |
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| CN114973935A (en) | 2022-08-30 |
| US20220269467A1 (en) | 2022-08-25 |
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